126 results
Effective radiation dose in adults - Following are comparisons of effective radiation dose in adults with
Effective radiation dose ... effective radiation dose ... #PatientInfo #Radiology ... ChestXRay #CXR #CT ... Comparison #Table #Risks
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
Medical Radiation Doses ... for 5 Year-Old ... #PatientInfo #Radiology ... Background #Radiation #Doses ... Comparison #Table #Risks
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity pneumonitis ... : ill defined centrilobular ... Hypersensitivity pneumonitis ... #Clinical #Radiology ... #HRCT #CTChest
Signs of Pulmonary Hypertension on Chest CT
 • Main PA is dilated and larger than the
Hypertension on Chest ... CT • Main PA ... PHTN #ChestCT #CTChest ... #Radiology #cardiology ... #diagnosis
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... Hypersensitivity pneumonitis ... Pulmonary edema #Diagnosis ... #Radiology #Pulmonary
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #Halo #Sign #CT ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Vessel Sign on Chest ... CT • Distinct ... #Vessel #Sign #CT ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... On the CT cavitation ... #Clinical #Radiology ... #CXR #CTChest #
Medical Imaging - Radiation Dose
#PatientInfo #Radiology #Procedures #Imaging #Radiation #Doses #ChestXRay #CT #Nuclear #Stress #Comparison #Table
Imaging - Radiation Dose ... #PatientInfo #Radiology ... Imaging #Radiation #Doses ... #ChestXRay #CT ... Comparison #Table #Risks